modRL02_ISO - power module with two 5V relays and optoisolation of inputs

A compact relay module with an Omron G5LE-14-DC5 relay, capable of controlling loads up to 10 A with a 5 V coil voltage. Thanks to a BSS138K MOSFET transistor, it can be activated by a 2.5 V to 20 V logic signal, facilitating interoperability with microcontrollers. The module is equipped with 5 mm screw terminals, a 3-pin JST SH connector, and LEDs to indicate operation. Pololu 5662

1-channel module with a relay designed to work with the Raspberry Pi Pico. It can switch signals up to 250 V AC and 7 A or 30 V DC and 10 A. SB Components 21277

Module with relay up to 5.5 A and 240 V AC controlled by the I2C interface. SparkFun COM-15093

Programmable time module with relay, allows you to set the time and manner of relay reaction on the trigger signal, has a built-in LED display. It can be supplied with voltage from the range of 6 - 30VDC or using the microUSB connector

8-channel module with relays designed to work with the Raspberry Pi Pico. Has built-in power isolation. Perfect for industrial applications. Waveshare Pico-Relay-B

8-channel module with relays, designed to work with the Raspberry Pi. It can switch 250VAC/7A or 30VDC/10A signals. SB Components 21871

Module with 8 relays and 8 IO pins and 8 analog inputs. It communicates via the RS485 or USB interface and supports the Modbus RTU protocol. Numato Lab NLRE1001-A

Module with 2 SSR relays with a load of up to 3 A. The board communicates via the USB interface. Numato Lab SSR20001-DC

Relay module for the WeMos D1 Mini WiFi set

The module contains eight 5V relays with a maximum current of 10A (250 VAC) and opto-isolated inputs, and with jumpers it is possible to select high or low switching. The module is equipped with screw connectors. modRL08_ISO

Module with MOSFET transistor, 5-36 V, 20 A, switching frequency 1 kHz. DFRobot DFR0457

Industrial module based on the ESP32-S3 microcontroller, which supports WiFi, Bluetooth and RS485 interface. Equipped with 6 high-power relays (up to 10A at 250VAC/30VDC), it allows for safe control of various devices and integration with industrial sensors via the Modbus protocol. The module supports popular programming environments such as Arduino and MicroPython, making it ideal for AIoT and remote monitoring applications. Waveshare ESP32-S3-Relay-6CH

The module with 2 relays is designed for the M5Stack sets. It allows you to control devices with an operating voltage of up to 250 V AC and a current of up to 8 A or a voltage of 28 V DC and a current of 8 A. M5Stack U131

Module with 4 SSR relays with a load of up to 3 A. The board communicates via the Ethernet interface. Numato Lab 4ETHSSR001-AC

The module with the HLS8-T73 relay with a load up to 5 A. The board is equipped with a Grove connector and is controlled by a digital input. Seeed Studio 103020005

Iduino relay module with 2 channels and optoisolation, enabling control of loads up to 10 A at 250 V AC or 110 V DC. Powered by 5 V, it is ideally compatible with microcontrollers and development kits, providing safe and convenient circuit switching.